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.hero-actions{align-items:start;flex-direction:column}.nu-root .spec-number,.nu-root .spec-brackets{gap:5px;padding-left:12px;padding-right:12px}.nu-root .spec-brackets{font-size:7px}.nu-root .spec-readout>div{padding:15px 12px}.nu-root .ladder{display:block}.nu-root .ladder article{border-right:0;border-bottom:1px solid #afb8ca!important;padding:20px 0}.nu-root .ladder article:last-child{border:0!important}.nu-root .code-form{padding:16px}.nu-root .code-form>div{display:block}.nu-root .code-form input,.nu-root .code-form button{width:100%;border:1px solid #b6c1d7}.nu-root .code-form button{margin-top:7px}.nu-root .port-art strong{font-size:19px}.nu-root .footer-grid{grid-template-columns:1fr 1fr;gap:20px}.nu-root .footer li a{font-size:11px}.nu-root .feature-grid>div{display:block}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.nu-root *,.nu-root *:before,.nu-root *:after{transition:none!important;animation:none!important}}.nu-root /* Confine decorative glow to its own panel; keep the document viewport stable. */
.hero,.nu-root .port-art{overflow:clip}.nu-root /* Task-specific evidence: source-owned HTML,.nu-root readable without scripts. */
.explanation{padding:1.8rem 0;border-bottom:1px solid var(--line,#d6dbe4)}.nu-root .explanation h2{font-size:clamp(1.35rem,2.4vw,1.8rem);margin:0 0 .8rem}.nu-root .evidence-module{margin:2.5rem 0;padding:clamp(1rem,3vw,2rem);background:#f1f4f9;border:1px solid #d7deea;border-radius:16px;min-width:0}.nu-root .evidence-module h2{font-size:clamp(1.4rem,2.6vw,2rem);line-height:1.2}.nu-root .evidence-scroll{max-width:100%;overflow:auto;border-radius:8px;outline-offset:4px}.nu-root .evidence-scroll table{border-collapse:collapse;width:100%;min-width:32rem;font-size:.95rem;line-height:1.6;text-align:left}.nu-root .evidence-scroll caption{text-align:left;padding:.6rem 0;font-weight:600;font-size:.85rem}.nu-root .evidence-scroll th,.nu-root .evidence-scroll td{padding:.85rem;vertical-align:top;border-bottom:1px solid #ced6e5;overflow-wrap:anywhere}.nu-root .evidence-scroll thead{background:#142440;color:white}.nu-root .evidence-scroll tbody th{width:27%;font-weight:650}.nu-root .evidence-takeaway{border-left:3px solid #356be0;padding-left:1rem;margin-top:1.4rem}.nu-root .evidence-timeline{background:#eaf0ff}.nu-root .evidence-boundary{background:#faf2ec}.nu-root .evidence-formats{background:#edf6f4}.nu-root .evidence-counterexample{background:#f4f0fa}.nu-root .task-next{margin:1.5rem 0 3rem}.nu-root .subject-visual{margin:0;display:flex;flex-direction:column;justify-content:center;padding:clamp(1.2rem,3vw,2.5rem);gap:1rem;min-width:0}.nu-root .subject-readout{position:relative;z-index:1;text-align:left;min-width:0}.nu-root .subject-readout>span{font-size:.7rem;letter-spacing:.12em}.nu-root .subject-readout strong{display:block;font-size:clamp(1.5rem,3.5vw,2.5rem);line-height:1.2;margin:1rem 0;overflow-wrap:anywhere}.nu-root .subject-readout p{font-size:1rem;line-height:1.5}.nu-root .subject-readout small{display:block;line-height:1.6;opacity:.85}.nu-root .subject-visual figcaption{position:relative;z-index:1;font-size:.8rem;line-height:1.5;border-top:1px solid #ffffff40;padding-top:1rem}
@media(max-width:600px){.nu-root .evidence-module{margin:1.8rem 0}.nu-root .subject-visual{min-height:17rem}.nu-root .evidence-scroll table{min-width:29rem}}.nu-root .evidence-flow{padding-left:1.4rem}.nu-root .evidence-flow>li{padding:.8rem 0 .8rem .5rem;border-bottom:1px solid #cbd5e7}.nu-root .evidence-flow h3,.nu-root .evidence-panels h3{font-size:1.1rem;line-height:1.4}.nu-root .evidence-flow p,.nu-root .evidence-panels p,.nu-root .evidence-branches p{font-size:.95rem;line-height:1.65}.nu-root .evidence-panels{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.nu-root .evidence-panels>section{padding:1rem;background:#ffffffa0;border:1px solid #d4dce6;border-radius:8px}.nu-root .evidence-branches details{margin:.6rem 0;background:#fff;padding:1rem;border:1px solid #d4dce6;border-radius:8px}.nu-root .evidence-branches summary{cursor:pointer;min-height:24px;font-weight:650;line-height:1.5}.nu-root .evidence-branches summary:focus-visible,.nu-root .evidence-scroll:focus-visible{outline:3px solid #c24629;outline-offset:3px}.nu-root .question-routes{max-width:1440px;margin:auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;padding:1.5rem 42px;background:#e1e7f1}.nu-root .question-routes a{padding:1rem;line-height:1.6;border-right:1px solid #bdc9dd;display:block;font-weight:650}.nu-root .question-routes a:last-child{border:0}.nu-root .subject-visual{height:auto!important;min-height:320px;color:#fff;background:#142440;overflow:hidden}
@media(max-width:650px){.nu-root .evidence-panels,.nu-root .question-routes{grid-template-columns:1fr}.nu-root .question-routes{padding:1rem 24px}.nu-root .question-routes a{border-right:0;border-bottom:1px solid #bdc9dd}.nu-root .subject-visual{min-height:280px}}.nu-root /* Navigation labels are editorial text; do not truncate them or hide overflow. */
.footer-grid>section,.nu-root .footer li,.nu-root .footer li a{min-width:0}.nu-root .footer li a{display:block;white-space:normal;overflow-wrap:anywhere;line-height:1.65;padding:5px 0}

/* ── T90 theme chrome (lang switcher, consent, hero emulation form) — plain CSS, NumInfo palette ── */
.nu-root .hero-form{margin:28px 0 0;max-width:560px}
.nu-root .hero-form .yform,.nu-root .hero-form form{width:100%}
.nu-lang{position:relative;display:inline-block}
.nu-lang>summary{list-style:none;display:inline-flex;align-items:center;gap:8px;cursor:pointer;padding:7px 10px;border-radius:6px;font:.88rem Inter,sans-serif;color:var(--muted)}
.nu-lang>summary::-webkit-details-marker{display:none}
.nu-lang>summary:hover{color:var(--blue)}
.nu-lang .nu-lang-code{text-transform:uppercase;font-weight:600;font-size:.78rem;letter-spacing:.04em}
.nu-lang .Flag{width:20px;height:14px;border-radius:2px;object-fit:cover}
.nu-lang-menu{position:absolute;z-index:60;inset-inline-end:0;top:calc(100% + 8px);background:var(--white);border:1px solid var(--line);border-radius:10px;box-shadow:0 20px 60px rgba(16,26,59,.18);padding:8px;width:min(34rem,calc(100vw - 2rem))}
.nu-lang-menu ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:2px}
.nu-lang-menu a{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:7px;text-decoration:none;color:var(--ink);font-size:.88rem}
.nu-lang-menu a:hover{background:#eef0f4}
.nu-lang-menu a.is-active{background:#e6ecff}
.nu-lang-menu a span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nu-lang-mobile{margin-top:16px;border-top:1px solid var(--line);padding-top:14px}
.nu-lang-mobile>p{margin:0 0 8px;font:.78rem Inter,sans-serif;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.nu-lang-mobile ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:2px}
.nu-lang-mobile a{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:7px;text-decoration:none;color:var(--ink);font-size:.88rem}
.nu-lang-mobile a.is-active{background:#e6ecff}
.nu-lang-mobile .Flag{width:20px;height:14px;border-radius:2px;object-fit:cover}
.nu-consent{position:fixed;inset-inline:16px;bottom:16px;z-index:70;margin-inline:auto;max-width:760px;display:flex;gap:22px;align-items:center;flex-wrap:wrap;background:var(--navy);color:#eef1f8;border:1px solid var(--navy2);border-radius:14px;padding:20px 24px;box-shadow:0 24px 70px rgba(16,26,59,.4)}
.nu-consent p{margin:0;flex:1;min-width:240px;font-size:.88rem;line-height:1.5;color:#c3ccdf}
.nu-consent strong{color:#fff}
.nu-consent a{color:var(--mint);text-underline-offset:3px}
.nu-consent-actions{display:flex;gap:10px;flex:none}
.nu-consent-actions button{cursor:pointer;border-radius:7px;padding:10px 16px;font:600 .85rem Inter,sans-serif;border:1px solid var(--navy2);background:transparent;color:#eef1f8}
.nu-consent-actions button:hover{background:var(--navy2)}
.nu-consent-actions .is-primary{background:var(--blue);border-color:var(--blue);color:#fff}
.nu-consent-actions .is-primary:hover{background:#3a59c8}
@media(max-width:720px){.nu-lang-menu{position:fixed;inset-inline:16px;top:64px;width:auto}.nu-consent{flex-direction:column;align-items:stretch}.nu-consent-actions{justify-content:flex-end}}

/* ── T90 header auth (login/register visible in desktop header) ── */
.nu-root .header-side{margin-left:auto;display:flex;align-items:center;gap:16px}
.nu-root .header-side .header-cta{margin-left:0}
.nu-root .header-auth{text-decoration:none;color:var(--muted);font-size:13px;font-weight:600;white-space:nowrap}
.nu-root .header-auth:hover{color:var(--blue)}
.nu-root .header-auth.is-reg{color:var(--blue)}
@media(max-width:720px){.nu-root .header-side{display:none}}